20321686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131959}}^1$

素因数の和:131979

約数の個数: 16

約数和(自身を含む): 38004480

約数和(自身を除く): 17682794

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131959, 263918, 923713, 1451549, 1847426, 2903098, 10160843, 20321686]

約数ペア:

[(1, 20321686), (2, 10160843), (7, 2903098), (11, 1847426), (14, 1451549), (22, 923713), (77, 263918), (154, 131959)]